Keyboard



FIG. 1 is a perspective view of a keyboard according to our new design.

FIG. 2 is a top plan view of the keyboard of FIG. 1.

FIG. 3 is a front view of the keyboard of FIG. 1.

FIG. 4 is a rear view of the keyboard of FIG. 1.

FIG. 5 is a left side view of the keyboard of FIG. 1; and,

FIG. 6 is a right side view of the keyboard of FIG. 1.

The broken lines in the drawings illustrate portions of the keyboard which form no part of the claimed design. 

CLAIM The ornamental design for a keyboard, as shown and described. 